Car-coupling.



I 'No. 737,605. PATENTED SEPT. 1, 1903.

PPPPPPPPPPPPPPPPPPPPPPPPPP 8.

N0 MODE L 2 S H E E T S S H B E T 1.

, I 2 EM WITNESSES s am A; ATTORNEYS.

No. 737,605. PATENTED SEPT. 1, 1903.

M. L. GASKILL. GAR COUPLING.

N0 MODE L 2 H E E T S S H E E T Z.

gi m AA; attozmuao UNITED STATES Patented September 1, 1903.

PATENT OFFICE.

MARION L. GASKILL, OF COLUMBUS, OHIO, ASSIGNOR OF ONE-HALF ISAAC I. CASKEY, OF COLUMBUS, OHIO.

CAR-COUPLING.

SPECIFICATION forming part of Letters Patent No. 737,605, dated September 1, 1903.

Application filed April 2'7, 1903. Serial No. 154,492. (No model.)

To all whom it may concern:

Be it known that I, MARION L. GASKILL, a citizen of the United States, residing at Columbus, in the county of Franklin and State of Ohio, have invented certain new and useful Improvements in Car- Couplers; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

The object of this invention is to provide a coupling in which the parts shall be few in number and of simple and economical construction and in which the coupling is effected automatically after the parts have been set.

The invention is embodied in the construction hereinafter described and claimed.

In the accompanying drawings, illustrating one eXemplification of the invention, Figure 1 is a horizontal sectional view 011 the plane a: so, Fig. '7, showing the unlocked position of the knuckle. Fig. 2 is a similar section on the same plane, showing the knuckle locked. Fig. 3 is a similar section, but on the plane y y, Fig. 7, showing the lock lifted to throw the knuckle into coupling position. Fig. at is a vertical section taken on the plane .2 .2', Fig. 1, to show the configuration of the rear wall of the draw-head cavity. Fig. 5 is a perspective view of the knuckle with the upper end tilted forward. Fig. 6 is a similar view of the lock with the under side thereof turned toward the observer. Fig. 7 is a front view of the draw-head with the knuckle removed.

In the several views, 1 designates the drawhead. This has a cavity 1, with the upper part of its rear wall at one side curved inwardly toward the roof of the cavity, as indicated at 1. toform a cam to act 011 an arm of the lock to throw that arm outward toward the mouth of the cavity when the lock is raised. The cavity also has its bottom shaped to form a pocket l to receive the lock and prevent its movement in a horizontal plane when seated therein.

2 designates the knuckle, which is hinged to ears 1 at one side of the draw-head. The knuckle has a coupling-wing and a lockingwing, the latter entering the cavity of the draw-head, and this locking-wing has at its lower end a wedge-shaped toe 2 and a square heel 2.

3 designates the lock. This is secured to a vertically-movable pin 4, passing through perforations in the draw-head, so that the lock can be raised and lowered. The lock is a block of angular lever form, the pin 4: constituting the fulcrum, and one arm of the lock is formed with a beveled underside 3, adapted to be acted on by the beveled toe, 2 of the knuckle to raise the lock, and a square side 3, adapted to engage the square heel 2 011 the knuckle when that heel has entered the proper distance into the cavity and the lock has fallen into its pocket 1 at the bottom of the cavity, as indicated in Fig. 2. The righthand wall of the cavity, as seen in the views, is cut away just above the locking-pocket 1 to permit the locking-arm of the lock to swing horizontally when the wedgeshaped toe of the knuckleis to swing outward, as in uncoupling. The bottom of the cut-away portion forms a shoulder or support 1 for the look when or after it is swung into said cut-away portion, as seen in Fig. 3. The other arm 3 of the lock reaches behind the looking or innor wing of the knuckle, and by lifting the lock toward the roof of the cavity the camsurface 1 throws said arm toward the mouth of the cavity and therefore the knuckle into open or coupling position, as indicated in Fig. 3.

An understanding of the operation can well be gathered from what has already been said. After the cars have been uncoupled and the knuckle put into coupling position the locks are allowed to fall into their pockets by gravity. When two cars are to be coupled, the outer wing of each knuckle strikes the lock- Ting-wing of the other and the wedge-shaped toes 2 of the locking-wings lift the lock, and when the properinnerposition of thelockingwing has been reached the lock falls by gravity back into its pocket, where the square side 3 of the lock engages the square heel 2" of the beveled toe on the knuckle, as seen in Fig. 2, thus coupling the cars. To uncouple cars, the lock is lifted by means of the pin 4 until the locking-wing of the knuckle can be turned out. To set the knuckle to couproc.

ling position, the lock is lifted farther until the cam surface 1 throws the lock and knuckle outward, as before indicated.

It will thus be observed that the coupling is automatic and that the uncoupling and setting of the parts for coupling can be effected in one simple operation.

What I claim, and desire to secure by Letters Patent,-is

1. In a car-coupling, the combination of a draw-head, a knuckle hinged thereto, a lock movable vertically and rotatable horizontally in said draw-head adapted to be lifted by the knuckle, a support for the lock when raised and turned, and a pocket in said draw-head into which the lock falls to lock the knuckle.

2. In a car-coupling, the combination of a draw-head, a hinged knuckle having a w'edg-.

ing-toe, a lock movable vertically and rotatable horizontally in said draw-head and adapted to be lifted and passed by said wedging-toe, a support for the look when raised and turned, and a pocket in said drawhead into which the lock drops to engage and hold the toe.

3. In a car-coupling, the combination of a d raw-head having a cavity, a hinged knuckle having a wedging-toe, a lock movable vertically and rotatable horizontally in said cavity, a pocket in said draw-head into which the lock drops to engage and hold the wedging-toe, a cam-surface near the roof of the cavity of the draw-head against which the lock impinges to throw the knuckle into open or coupling position when the lock is lifted, and a support for the look when raised.

4. In a car-coupling, the combination of a draw-head having a cavity, a knuckle hinged therein having a lock-raising toe, a lock comprising a knuckle-locking member and an arm 3, a support for the lock when raised and turned and a pocket in the draw-head into which the lock drops when the knuckle is turned inward.

In testimony whereof I affix my signature in presence of two witnesses.

MARION L. GASKILL.

Witnesses:

BENJ. FINCKEL, SAMUEL W. LATHAM. 

